THE COMPLEX INTERACTION BETWEEN ATRIAL FIBRILLATION AND HEART FAILURE IN ELDERLY PATIENTS

Heart failure (HF) and atrial fibrillation (AF) often coexist.Subjects with permanent AF show the highest prevalence of HF.Patients with incident AF have HF in a great number of cases and, reciprocally, in patients with incident HF, an AF can be frequently found.The simultaneous presence of the two conditions is associated with mortality rates high

Chinese fir (Cunninghamia lanceolate (Lamb.) Hook) individual tree parameters extraction is important for scientific forest management.However, high-precision parameters jetstream ice therapy parts extraction by field investigation or spaceborne optical remote sensing is difficult when the forest is dense and the terrain is complex.This article pro